15,000+ Scientists & Academics
3,000+ Scientific disciplines
7,000+ Projects posted
Trusted by 2,500+ businesses

Dr. Harendra Chahar

Virologist । COVID-19/SARS Coronavirus । Grant Writing/SBIR । Molecular Diagnostics । Antiviral/Vaccine Development

Request a Service
★★★★★
☆☆☆☆☆
USD 100/hr
PhD
United States

Trained Molecular virologist, direct hands-on experience with SARS Coronavirus and currently involved in SARS Coronavirus-2 (COVID-19) vaccine ...

★★★★★
☆☆☆☆☆
USD 100/hr
Request a Service

Anthony Nielsen

Chemical Engineer and Formulation Chemist with over 15 years of experience.

Request a Service
★★★★★
☆☆☆☆☆
USD 180/hr
Chemical Engineering MS
United States

Northeastern University Chemical Engineering Master’s program graduate and Gordon Engineering Leadership Fellow with experience in petroleum ch...

★★★★★
☆☆☆☆☆
USD 180/hr
Request a Service

Thomas Smith

Aerospace Engineer highly experienced in System Engineering, System Architecture, and Systems Integration & Test

Request a Service
★★★★★
☆☆☆☆☆
USD 65/hr
Bachelor of Science Aerospace Engineering
United States

Over two decades of experience in aviation with respect to avionic system architecture, design, requirements, integration, and flight test. Ha...

★★★★★
☆☆☆☆☆
USD 65/hr
Request a Service

Hire the best freelance 3D Printing experts in United States on Kolabtree, the worlds largest platform for freelance scientists. Secure and risk-free.

pay-per-click
Confidentiality Assured

We take several measures to help you work with full confidence and peace of mind.

Keep your project private

Restrict who can see your project and send you proposals. Invite only specific freelancers to view your project.

NDAs and IP protection

Our T&C include a default confidentiality clause that protects your IP. Sign NDAs for added protection before disclosing project details.

Kolabtree ensures safety and security of your payments and personal information and project details. Kolabtree’s T&C includes a default confidentiality clause. You can also sign NDAs and custom agreements with freelancers for additional protection.

Post your project and receive quotes from relevant freelancers. You can also search for specific freelancers by expertise and invite them to your project. Discuss your project details with each freelancer before picking the one best expert.

We assure you of a 100% satisfaction guarantee, which means you only pay when you’re 100% satisfied with the work delivered. If you aren’t happy, we will refund 100% of your money.

You can choose to pay either a fixed or an hourly fee based on your scope of work. If you’re not sure how much your project costs, you can discuss with freelancers before arriving at a mutually agreed fee.

Kolabtree's terms and conditions prohibit freelancers from claiming ownership of intellectual property, and as a client, you are able to reinforce the message with additional communication, agreements or contracts.

Why Kolabtree

Contact experts directly

Speak directly with freelancers and explain your requirements.

100% satisfaction guaranteed

Pay only once work is delivered and you’re happy with it.

No upfront fees

No minimum commitment or contract required.

Flexible, secure payments

Pay a fixed or hourly fee. We hold your funds in escrow until you’re ready to pay.

How it works View full page
1

Post project (Free)

Post your project publicly for all freelancers to view and send you proposals, or interact with specific freelancers privately.

2

Choose the best expert

Get bids from relevant experts. Interact freely with them before making a hire.

3

Collaborate

Share files, make audio/video calls and collaborate with your chosen expert.

4

Complete project

Verify the project is complete to your satisfaction before paying the expert.